/* R21: one precision-oriented visual system across the public site and personal site.
   Existing Chinese system fonts and approved light palette override skill defaults. */
:root{--ink:#172539;--ink-soft:#526075;--paper:#f6f8fb;--white:#fff;--blue:#2454bf;--blue-strong:#2454bf;--line:#dce2eb;--max:1180px;--u-space:clamp(22px,5vw,72px);--u-ease:cubic-bezier(.16,1,.3,1)}
html{scroll-padding-top:100px}body.hub-renovated{background:#f6f8fb;color:#172539;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}
.hub-renovated :is(.skip-link,.skip-nav){position:fixed;top:-100px;left:16px;z-index:100;padding:8px 16px;background:#fff;color:#172539}.hub-renovated :is(.skip-link,.skip-nav):focus{top:10px}
.u-personal-image img{height:auto}
.hub-renovated .u-personal-image img{aspect-ratio:1.6;object-fit:contain}
.hub-renovated :is(.contact-intro,.brief-intro){background:transparent}
.hub-renovated :is(.request-contact,.request-brief){max-width:1180px;width:calc(100% - 2 * var(--u-space));margin:0 auto;padding:55px 0 90px}
.hub-renovated .brief-kicker{display:none}
.hub-renovated .menu-button span{margin:0;flex:0 0 1px;min-height:1px;padding:0}
.hub-renovated .formation-picker-menu .formation-process-tabs button{white-space:normal;overflow-wrap:anywhere}
.hub-renovated .language-toggle{padding:0;min-width:44px;min-height:44px;flex-shrink:0;white-space:nowrap;line-height:1.2}
.hub-renovated.hub-home-formation .professional-main{padding-top:0}
.hub-renovated :is(.contact-intro,.brief-intro) h1{font-size:clamp(30px,4vw,48px);line-height:1.35;letter-spacing:-.03em;font-weight:550}
.u-branches{border-top:1px solid #dce2eb;padding:16px 0;margin-top:12px}.u-branches summary{font-size:14px;color:#526075;cursor:pointer;min-height:44px;padding:10px 0}.u-branches .u-method-links{padding-top:14px;max-width:760px}
.hub-renovated *{box-sizing:border-box}.hub-renovated img{max-width:100%}.hub-renovated a{color:inherit;text-decoration:none}.hub-renovated :focus-visible{outline:2px solid #2454bf;outline-offset:5px}
.hub-renovated .site-header{height:76px;min-height:76px;position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:10px var(--u-space);gap:24px;background:rgba(255,255,255,.97);color:#172539;border-bottom:1px solid #dce2eb;backdrop-filter:none;z-index:30}
.hub-renovated .brand{display:flex;gap:10px;align-items:center;min-width:0;flex-shrink:0}.hub-renovated .brand img{width:44px;height:44px;object-fit:contain;background:none;border:0;border-radius:0}
.hub-renovated .brand strong{font-size:20px;font-weight:600;line-height:1.2}.hub-renovated .brand small{display:block;font-size:10px;color:#526075;margin-top:3px;letter-spacing:0}
.hub-renovated .main-nav{display:flex;align-items:center;gap:32px;position:static;inset:auto;background:none;color:#172539;padding:0;transform:none;visibility:visible;opacity:1}
.hub-renovated .main-nav a{font-size:14px;white-space:nowrap;padding:8px 0;color:#526075}.hub-renovated .main-nav a:hover,.hub-renovated .main-nav a[aria-current=page]{color:#2454bf}
.hub-renovated .language-toggle{margin:0;width:48px;height:40px;border:1px solid #dce2eb;border-radius:6px;background:#fff;color:#172539;cursor:pointer}.hub-renovated .menu-button{display:none}
.hub-renovated .u-footer{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;padding:48px var(--u-space) 34px;border-top:1px solid #dce2eb;background:#fff;color:#172539}
.u-footer .u-footer-links{display:flex;justify-content:flex-end;align-items:start;flex-wrap:wrap;gap:20px;font-size:13px}.u-footer p{grid-column:1/-1;color:#526075;font-size:12px;max-width:85ch;margin:0}.u-footer p a{text-decoration:underline;text-underline-offset:3px}
.hub-renovated .standalone-page{width:calc(100% - 2 * var(--u-space));max-width:1180px;margin:0 auto;padding:55px 0 90px;min-height:65vh}
.hub-renovated .standalone-hero{padding:24px 0 44px;margin:0 0 32px;max-width:850px;background:transparent;color:#172539;border:0;border-radius:0;box-shadow:none}
.hub-renovated .standalone-hero h1{font-size:clamp(30px,4.1vw,52px);line-height:1.3;letter-spacing:-.035em;max-width:22ch;margin:0 0 24px;font-weight:550;color:#172539}
.hub-renovated .standalone-hero p:not(.eyebrow){font-size:16px;color:#526075;max-width:65ch;line-height:1.9}.hub-renovated .eyebrow,.hub-renovated .service-index{display:none}
.hub-renovated .service-grid,.hub-renovated .resource-grid,.hub-renovated .page-grid-spacing{gap:28px;grid-template-columns:repeat(2,minmax(0,1fr))}
.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card,.faq-card,.process-card){background:#fff;color:#172539;border:1px solid #e1e6ee;border-radius:6px;padding:28px;box-shadow:none;transform:none;min-width:0}
.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card) p{color:#526075}.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card) h2{font-size:23px;line-height:1.5;margin:0 0 14px;font-weight:550}
.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card):hover{border-color:#9eb4d8;background:#fcfdff;box-shadow:none;transform:translateY(-2px)}
.hub-renovated .card-action{color:#2454bf;font-size:13px;margin-top:24px}.hub-renovated .news-index-list{gap:24px}.hub-renovated .news-index-card.featured{background:#edf2fa;color:#172539;border-color:#ced9eb}
.hub-renovated :is(.home-process-section,.home-process-copy,.home-process-list,.resource-section,.faq-section){background:transparent;color:#172539;box-shadow:none}.hub-renovated h2{font-weight:550;letter-spacing:-.02em}.hub-renovated h3{font-weight:550}
.hub-renovated :is(.article-content,.topic-content,.news-content){max-width:800px;line-height:1.95}.hub-renovated p{overflow-wrap:break-word}
.hub-renovated :is(.request-workbench,.brief-workspace,.contact-workspace){background:#f6f8fb;color:#172539}.hub-renovated :is(.brief-intro,.contact-intro,.brief-editor,.contact-form-panel,.brief-result){background:#fff;color:#172539;box-shadow:none;border-color:#dce2eb}
.hub-renovated :is(input,textarea,select){color:#172539;background:#fff;border-color:#bdc9da}.hub-renovated :is(input,textarea)::placeholder{color:#637188}
.hub-renovated :is(.primary-action,.brief-submit){background:#2454bf;border-color:#2454bf;color:white;border-radius:6px;box-shadow:none;min-height:44px}.hub-renovated .secondary-action{color:#2454bf;background:transparent;border:1px solid #a7b7cf;border-radius:6px}
.hub-renovated .formation-intro .primary-action{background:transparent;color:#172539;border:0;border-bottom:1px solid #cbd3df;border-radius:0;min-height:44px}
.hub-renovated .formation-picker-menu{width:420px;max-width:calc(100vw - 44px);max-height:min(520px,65dvh);overflow:auto;overscroll-behavior:contain;padding:20px}
.formation-picker-family{margin-top:14px}.formation-picker-family h3{font-size:11px;color:#637188;font-weight:500;margin:0 0 5px}.formation-picker-family .formation-process-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.formation-picker-family button{min-height:44px;text-align:left;line-height:1.35}.formation-picker-family button .en{font-size:11px}.formation-picker-menu a{display:block;font-size:12px;color:#2454bf;margin-top:18px}
.hub-renovated .u-home-atlas{max-width:1180px;margin:0 auto;padding:80px 0 60px;width:calc(100% - 2 * var(--u-space))}
.u-section-head{margin-bottom:38px}.u-section-head h2{font-size:clamp(27px,3vw,38px);margin:0 0 12px;line-height:1.4}.u-section-head p{font-size:14px;color:#526075;margin:0;max-width:58ch}
.u-family-list{display:grid;grid-template-columns:1fr 1fr;gap:0 60px}.u-family{border-top:1px solid #dce2eb;padding:0;min-width:0}.u-family summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:88px;cursor:pointer;list-style:none;font-size:22px;line-height:1.4}.u-family summary::-webkit-details-marker{display:none}.u-family summary::after{content:'+';font-size:20px;color:#6b7f9c}.u-family[open] summary::after{content:'−'}
.u-family p{font-size:14px;color:#526075;margin:0 0 18px}.u-method-links{display:grid;grid-template-columns:1fr 1fr;gap:5px 18px;padding-bottom:28px}.u-method-links a{display:block;padding:10px 0;font-size:14px;line-height:1.5}.u-method-links a:hover{color:#2454bf}
.u-atlas-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px}.u-atlas-intro h1{font-size:clamp(34px,5vw,60px);font-weight:550;line-height:1.2;margin:0 0 20px}.u-atlas-intro p{max-width:65ch;font-size:16px;color:#526075;margin:0}.u-atlas-intro a{color:#2454bf;white-space:nowrap;min-height:44px}
.u-atlas-family{padding:36px 0 28px;border-top:1px solid #dce2eb;scroll-margin-top:96px}.u-atlas-family>h2{font-size:28px;margin:0 0 8px}.u-atlas-family>p{color:#526075;margin:0 0 28px;max-width:65ch}
.u-method-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 44px}.u-method-card{padding:22px 0 28px;min-width:0}.u-method-card h3{font-size:23px;line-height:1.5;margin:0 0 10px}.u-method-card p{font-size:15px;line-height:1.85;color:#526075;margin:0 0 16px}.u-method-card small{display:block;font-size:12px;color:#526075;margin:8px 0}.u-method-card .u-method-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.u-method-actions a{color:#2454bf;font-size:13px;padding:8px 0;min-height:44px}
.u-method-card h3 a:hover{text-decoration:underline;text-underline-offset:6px}.u-method-page{max-width:900px!important}.u-method-page .u-atlas-intro{display:block}.u-method-page .u-atlas-intro a{display:inline-flex;margin-top:20px;padding:8px 0}
.u-reading{display:grid;grid-template-columns:160px 1fr;gap:35px;padding:32px 0;border-top:1px solid #dce2eb}.u-reading h2{font-size:17px;margin:0;color:#526075}.u-reading p{font-size:18px;margin:0;line-height:1.9}.u-reading a{color:#2454bf}
.u-boundary{font-size:12px;color:#637188;padding:24px 0}.u-breadcrumb{font-size:13px;color:#526075;margin-bottom:34px}.u-breadcrumb a{color:#2454bf}
.u-tech-sequence{display:grid;grid-template-columns:1fr 1fr;gap:24px 36px;padding:25px 0}.u-tech-sequence h3{font-size:19px;margin:0 0 10px}.u-tech-sequence p{font-size:15px;color:#526075;margin:0}
.hub-renovated.u-personal .site-header .brand small{font-size:11px}.u-personal main{max-width:1180px;margin:0 auto;width:calc(100% - 2 * var(--u-space))}.u-personal-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;min-height:calc(85dvh - 76px);padding:60px 0}
.u-personal-hero h1{font-size:clamp(40px,5.8vw,76px);line-height:1.2;letter-spacing:-.045em;margin:0 0 26px;font-weight:550}.u-personal-hero p{font-size:19px;color:#526075;max-width:26ch;margin:0 0 30px;line-height:1.85}.u-personal-hero .u-personal-image{margin:0}.u-personal-image img{aspect-ratio:1.25;object-fit:cover;object-position:center;width:100%;border:1px solid #e5e9ef}.u-personal-image figcaption{font-size:12px;color:#526075;margin-top:12px}
.u-personal-hero a{display:inline-flex;align-items:center;min-height:44px;color:#2454bf;border-bottom:1px solid #b8c7df;gap:20px}.u-personal .u-personal-section{padding:55px 0;border-top:1px solid #dce2eb}.u-personal-section h2{font-size:30px;margin:0 0 28px}.u-personal-section p{max-width:65ch;color:#526075;font-size:16px}.u-personal-columns{display:grid;grid-template-columns:1fr 1fr;gap:32px 60px}.u-personal-columns h3{font-size:21px;margin:0 0 14px}.u-personal-columns p{margin:0}.u-personal a:hover{color:#2454bf}.u-personal-method{display:grid;grid-template-columns:1fr 1fr 1fr;gap:35px}.u-personal-method article{padding-top:8px}.u-personal-method h3{font-size:22px}.u-personal-contact{display:flex;gap:30px;flex-wrap:wrap;font-size:20px}.u-personal-contact a{overflow-wrap:anywhere;color:#2454bf}
.u-local-status{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);padding:14px 22px;background:#172539;color:white;max-width:calc(100vw - 32px);border-radius:6px;z-index:80;font-size:13px}
@media(prefers-reduced-motion:no-preference){.u-method-card a,.u-method-links a{transition:color .2s var(--u-ease)}.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card){transition:transform .25s var(--u-ease),border-color .25s}.hub-renovated button:active{transform:translateY(1px)}}
@media(max-width:900px){.hub-renovated .main-nav{gap:22px}.hub-renovated .brand small{display:none}.u-personal-hero{gap:30px}.u-reading{grid-template-columns:130px 1fr;gap:25px}}
@media(max-width:767px){.hub-renovated .site-header{padding:10px 20px;height:68px;min-height:68px;gap:12px}.hub-renovated .brand img{width:38px;height:38px}.hub-renovated .brand strong{font-size:18px}.hub-renovated .menu-button{display:flex;flex-direction:column;gap:5px;justify-content:center;align-items:center;margin-left:auto;width:44px;height:44px;background:transparent;border:0;color:#172539}.hub-renovated .menu-button span{width:19px;height:1px;background:#172539;display:block}.hub-renovated .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:white;padding:20px;gap:8px;border-bottom:1px solid #dce2eb}.hub-renovated.nav-open .main-nav,.hub-renovated .main-nav.is-open{display:grid;grid-template-columns:1fr 1fr}.hub-renovated .main-nav a{padding:14px}.hub-renovated .language-toggle{width:42px;height:38px}.hub-renovated .standalone-page{width:calc(100% - 40px);padding-top:35px}.hub-renovated .standalone-hero{padding:15px 0 25px;margin-bottom:20px}.hub-renovated .standalone-hero h1{font-size:30px;max-width:100%}.hub-renovated :is(.service-grid,.resource-grid,.page-grid-spacing){grid-template-columns:1fr;gap:18px}.hub-renovated :is(.service-card,.resource-card,.resource-module-tile,.news-index-card){padding:22px}.hub-renovated .u-home-atlas{width:calc(100% - 40px);padding:55px 0 35px}.u-family-list,.u-method-grid,.u-personal-columns,.u-personal-method,.u-tech-sequence{grid-template-columns:1fr;gap:0}.u-family summary{min-height:76px;font-size:20px}.u-method-links{gap:4px 18px}.u-atlas-intro{display:block}.u-atlas-intro h1{font-size:36px}.u-atlas-intro>a{display:inline-flex;margin-top:20px}.u-method-card{padding:18px 0}.u-atlas-family>h2{font-size:25px}.u-reading{grid-template-columns:1fr;gap:12px;padding:26px 0}.u-reading p{font-size:16px}.u-tech-sequence{gap:24px}.hub-renovated .u-footer{grid-template-columns:1fr;padding:32px 20px}.u-footer .u-footer-links{justify-content:flex-start;gap:12px 22px}.u-personal main{width:calc(100% - 40px)}.u-personal-hero{grid-template-columns:1fr;min-height:0;padding:48px 0;gap:34px}.u-personal-hero h1{font-size:50px}.u-personal-hero p{font-size:18px;max-width:32ch}.u-personal-image img{aspect-ratio:1.45}.u-personal .u-personal-section{padding:38px 0}.u-personal-section h2{font-size:27px}.u-personal-columns{gap:30px}.u-personal-contact{font-size:17px;gap:18px}.formation-picker-family .formation-process-tabs{gap:2px}.formation-picker-family button{font-size:12px}}
/* R22: the stage introduces the subject; the page explains the service. */
.hub-renovated :is(.u-business,.u-project-path,.u-project-contact){width:calc(100% - 2 * var(--u-space));max-width:1180px;margin:0 auto;padding:88px 0;scroll-margin-top:100px}
.u-business{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(48px,8vw,130px);border-bottom:1px solid var(--line)}
.u-service-label{font-size:12px;letter-spacing:.06em;color:var(--ink-soft);margin:0 0 24px}
.u-business h2,.u-project-contact h2{font-size:clamp(32px,3.7vw,47px);line-height:1.42;letter-spacing:-.035em;margin:0 0 24px;font-weight:550}
.u-business-lead,.u-contact-intro{font-size:16px;line-height:1.95;color:var(--ink-soft);max-width:32em;margin:0 0 32px}
.u-business-actions{display:flex;align-items:center;gap:18px 28px;flex-wrap:wrap}
.hub-renovated .u-contact-action{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;padding:11px 20px;border:1px solid var(--blue);border-radius:5px;background:var(--blue);color:#fff;font-size:14px;line-height:1.5}
.hub-renovated .u-contact-action:hover{background:#1d439c;border-color:#1d439c}
.hub-renovated .u-text-action{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:var(--blue);font-size:14px;line-height:1.6}
.u-starting-points article{padding:22px 0;border-top:1px solid var(--line)}
.u-starting-points article:first-child{padding-top:4px;border-top:0}.u-starting-points h3{font-size:21px;margin:0 0 10px;line-height:1.5}.u-starting-points p{font-size:14px;line-height:1.9;color:var(--ink-soft);margin:0;max-width:32em}
.hub-renovated .u-project-path{border-top:1px solid var(--line);padding-bottom:65px}
.u-business-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.u-business-section-head>a{min-height:44px;flex-shrink:0;display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:14px}
.u-project-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px;list-style:none;margin:40px 0 28px;padding:0}
.u-project-steps li{padding-top:20px;border-top:1px solid var(--line);min-width:0}.u-step-index{font-variant-numeric:tabular-nums;font-size:12px;color:var(--blue)}
.u-project-steps h3{font-size:21px;line-height:1.55;margin:15px 0 12px}.u-project-steps p{font-size:14px;line-height:1.9;margin:0;color:var(--ink-soft)}
.u-project-note{font-size:13px;color:var(--ink-soft);margin:30px 0 0}
.hub-renovated .u-project-contact{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(48px,8vw,130px);border-top:1px solid var(--line);padding-top:80px;padding-bottom:96px}
.u-direct-contact{padding-top:45px}.u-contact-person{font-size:14px;color:var(--ink-soft);margin:0 0 20px}
.u-direct-contact>a{width:fit-content;max-width:100%;display:flex;align-items:center;gap:20px;min-height:44px;overflow-wrap:anywhere}
.u-direct-contact .u-contact-phone{font-size:clamp(24px,2.7vw,34px);letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.u-direct-contact .u-contact-email{font-size:16px;color:var(--blue);margin:8px 0 24px}.u-direct-contact .u-contact-email>[aria-hidden]{flex-shrink:0}
.u-direct-contact>p:not(.u-contact-person){font-size:13px;line-height:1.9;color:var(--ink-soft);margin:0 0 20px}
.u-contact-dock{position:fixed;right:24px;bottom:max(24px,env(safe-area-inset-bottom));z-index:25}.u-contact-dock[hidden]{display:none!important}
.u-contact-dock>a{display:flex;gap:24px;align-items:center;min-height:46px;padding:10px 18px;background:#fff;border:1px solid #b9c7dc;border-radius:5px;color:var(--blue);font-size:13px;box-shadow:0 4px 14px #1725390a}
@media(max-width:767px){.hub-renovated :is(.u-business,.u-project-path,.u-project-contact){width:calc(100% - 40px);padding:54px 0;scroll-margin-top:88px}.u-business,.hub-renovated .u-project-contact{grid-template-columns:1fr;gap:36px}.u-business h2,.u-project-contact h2{font-size:32px;line-height:1.45}.u-service-label{margin-bottom:18px}.u-business-lead,.u-contact-intro{font-size:15px;line-height:1.9;margin-bottom:24px}.u-starting-points h3{font-size:19px}.u-starting-points article:first-child{border-top:1px solid var(--line);padding-top:22px}.u-business-section-head{display:block;margin-bottom:26px}.u-business-section-head h2{margin-bottom:12px}.u-project-steps{grid-template-columns:1fr;gap:25px;margin:0}.u-project-steps li{display:grid;grid-template-columns:24px 1fr;column-gap:16px;padding-top:22px}.u-step-index{grid-row:1/3;padding-top:4px}.u-project-steps h3{font-size:20px;margin:0 0 8px}.u-project-steps p{grid-column:2}.u-project-note{margin-top:30px}.u-direct-contact{padding-top:28px;border-top:1px solid var(--line)}.u-direct-contact .u-contact-phone{font-size:27px}.u-direct-contact .u-contact-email{font-size:14px;gap:10px}.u-contact-dock{right:16px;bottom:max(16px,env(safe-area-inset-bottom))}.u-contact-dock>a{min-height:44px;padding:9px 14px;gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.hub-renovated *, .hub-renovated *::before,.hub-renovated *::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* R23: resource-module-index is the content grid, not a decorative index. */
.hub-renovated .resource-module-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.hub-renovated .resource-module-tile>span{display:none}.hub-renovated .resource-module-tile.is-current{background:#edf2fa;border-color:#ccd8e9}.hub-renovated .resource-module-tile.is-current h2{color:#172539}.hub-renovated .resource-module-tile.is-current p{color:#526075}@media(max-width:767px){.hub-renovated .resource-module-index{grid-template-columns:1fr}}